Universality of First and Second Order Phase Transition in Solar Activity: Evidence for Nonextensive Tsallis Statistics. - Leonidas P. Karakatsanis; G. P. Pavlos; Dimitris S. Sfiris (Int. J. Bifurc. Chaos, 2012)

Non-Extensive Statistical Analysis of Energetic Particle Flux Enhancements Caused by the Interplanetary Coronal Mass Ejection-Heliospheric Current Sheet Interaction. - Evgenios G. Pavlos; Olga E. Malandraki; Olga V. Khabarova; Leonidas P. Karakatsanis; George P. Pavlos; George Livadiotis (Entropy, 2019)